while the economy will tax a hard hit from the storm, one analyst believes sandy could have a positive impact in the long run. >> the first information we get will be from lost output and airline cancellation and that will be negative. then, more and more, we'll start seeing trickling into the economic data the benefits of the reconstruction. >> sandy is predicted to be one of the 10 most expensive storms in history but still far below hurricane katrina which ran a price tag of more than $100 billion. >> some perspective there but things are calming down in fairfax county after sandy shut down that area. but there is still plenty of work to be done there. >> beth parker reports. >> reporter: from this spot on his roof, norm richards has a pretty good view of prosperity avenue but some of the people who live mere may not be feeling all that prosperous today. >> water dripping through the living room and i got a littleup set. that is why we spent all this money to have a new roof put on. >> reporter: a leaky roof and no electricity here in the pine ridge neighborhood in fairfax county. w